<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        body{
            margin:0 0 0 0;
        }
        #banner{
            background-color: #454545;
        }
    </style>
</head>
<body>
    <div id="banner"><img src="./static/logo.png"></div>
</body>
</html>